<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="90px">
      <el-form-item label="数据库名称" prop="tableSchema">
        <el-select
          v-model="queryParams.tableSchema"
          placeholder="数据库名称"
          size="small"
        >
          <el-option
            v-for="item in databaseOptions"
            :key="item.id"
            :label="item.dbDesc"
            :value="item.dbName">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="表名称" prop="tableName">
        <el-input
          v-model="queryParams.tableName"
          placeholder="请输入表名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleEditTable"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="tableList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" align="center" width="55"></el-table-column>
      <el-table-column label="序号" type="index" width="100" align="center">
        <template slot-scope="scope">
          <span>{{(queryParams.pageNum - 1) * queryParams.pageSize + scope.$index + 1}}</span>
        </template>
      </el-table-column>

      <el-table-column label="数据库描述" align="left" prop="tableSchema" width="250px">
        <template slot-scope="scope">
          <span>{{computeDb(scope.row) || '无'}}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="数据库名称"
        align="left"
        prop="tableSchema"
        :show-overflow-tooltip="true"
        width="300"
      />
      <el-table-column
        label="表名称"
        align="left"
        prop="tableName"
        :show-overflow-tooltip="true"
        width="250"
      />
      <el-table-column
        label="表描述"
        align="left"
        prop="tableComment"
        :show-overflow-tooltip="true"
      />
      <el-table-column
        label="实体"
        align="left"
        prop="className"
        :show-overflow-tooltip="true"
        width="200"
      />
      <!-- <el-table-column label="创建时间" align="center" prop="createTime" width="160" /> -->
      <!-- <el-table-column label="更新时间" align="center" prop="updateTime" width="160" /> -->
      <el-table-column label="操作" align="center" width="320" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            type="text"
            size="small"
            icon="el-icon-view"
            @click="handlePreview(scope.row)"
          >预览
          </el-button>
          <el-button
            type="text"
            size="small"
            icon="el-icon-edit"
            @click="handleEditTable(scope.row)"
          >编辑
          </el-button>
          <el-button
            type="text"
            size="small"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除
          </el-button>
          <el-button
            type="text"
            size="small"
            icon="el-icon-download"
            @click="handleGenTable(scope.row)"
          >生成代码
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <!-- 预览界面 -->
    <el-dialog :title="preview.title" :visible.sync="preview.open" width="80%" top="5vh" class="preview-body"
               append-to-body>
      <el-tabs v-model="preview.activeName">
        <el-tab-pane
          v-for="(value, key) in preview.data"
          :label="key.substring(key.lastIndexOf('/')+1,key.indexOf('.vm'))"
          :name="key.substring(key.lastIndexOf('/')+1,key.indexOf('.vm'))"
          :key="key"
        >
          <pre><code class="hljs" v-html="highlightedCode(value, key)"></code></pre>
        </el-tab-pane>
      </el-tabs>
    </el-dialog>

    <import-table ref="import" @ok="handleQuery"/>
  </div>
</template>

<script>
  import {delTable, listTable, prefix, previewTable, synchDb} from "./api";
  import {databaseList} from '@/views/com/alinesno/cloud/initializr/db/database/api';

  import importTable from "./importTable";
  import {downLoadZip} from "alinesno-ui/src/utils/zipdownload";
  import hljs from "highlight.js/lib/highlight";
  import "highlight.js/styles/github-gist.css";

  hljs.registerLanguage("java", require("highlight.js/lib/languages/java"));
  hljs.registerLanguage("xml", require("highlight.js/lib/languages/xml"));
  hljs.registerLanguage("html", require("highlight.js/lib/languages/xml"));
  hljs.registerLanguage("vue", require("highlight.js/lib/languages/xml"));
  hljs.registerLanguage("javascript", require("highlight.js/lib/languages/javascript"));
  hljs.registerLanguage("sql", require("highlight.js/lib/languages/sql"));

  export default {
    name: "Gen",
    components: {importTable},
    data() {
      return {
        // 遮罩层
        loading: true,
        // 唯一标识符
        uniqueId: "",
        // 数据库列表
        databaseOptions: [],
        // 选中数组
        ids: [],
        // 选中表数组
        tableNames: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 表数据
        tableList: [],
        // 日期范围
        dateRange: "",
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          tableSchema: undefined
        },
        // 预览参数
        preview: {
          open: false,
          title: "代码预览",
          data: {},
          activeName: "domain.java"
        }
      };
    },
    created() {
      this.getList();
      databaseList().then(response => {
        this.databaseOptions = response.data;
      });

    },
    activated() {
      const time = this.$route.query.t;
      if (time != null && time != this.uniqueId) {
        this.uniqueId = time;
        this.resetQuery();
      }
    },
    methods: {
      computeDb(row) {
        return this.databaseOptions.filter(item => item.dbName === row.tableSchema)
          .map(item => item.dbDesc)
          .join('')
      },

      /** 查询表集合 */
      getList() {
        this.loading = true;
        listTable(this.addDateRange(this.queryParams, this.dateRange)).then(response => {
            this.tableList = response.rows;
            this.total = response.total;
            this.loading = false;
          }
        );
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 生成代码操作 */
      handleGenTable(row) {
        const tableName = row.tableName || this.tableNames;
        const schema = row.tableSchema;

        this.$confirm('确定要生成' + tableName + '表代码吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          downLoadZip('/' + prefix + "download/" + schema + "/" + tableName, schema + "_" + tableName);
          this.$message('执行成功,正在生成代码请稍后…');
        }).catch(() => {
        });

      },
      /** 同步数据库操作 */
      handleSynchDb(row) {
        const tableName = row.tableName;
        this.$confirm('确认要强制同步"' + tableName + '"表结构吗？', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function () {
          return synchDb(tableName);
        }).then(() => {
          this.msgSuccess("同步成功");
        })
      },
      /** 打开导入表弹窗 */
      openImportTable() {
        this.$refs.import.show();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.dateRange = [];
        this.resetForm("queryForm");
        this.handleQuery();
      },
      /** 预览按钮 */
      handlePreview(row) {
        previewTable(row.tableId).then(response => {
          this.preview.data = response.data;
          this.preview.open = true;
        });
      },
      /** 高亮显示 */
      highlightedCode(code, key) {

        const vmName = key.substring(key.lastIndexOf("/") + 1, key.indexOf(".vm"));
        var language = vmName.substring(vmName.lastIndexOf(".") + 1, vmName.length);

        const result = hljs.highlight(language, code || "", true);
        return result.value || '&nbsp;';
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.tableId);
        this.tableNames = selection.map(item => item.tableName);
        this.single = selection.length != 1;
        this.multiple = !selection.length;
      },
      /** 修改按钮操作 */
      handleEditTable(row) {
        const tableId = row.tableId || this.ids[0];
        const dbName = row.tableSchema ;

        this.$router.push("/gen/edit/" + dbName + "/" + tableId);
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const tableIds = row.tableId || this.ids;
        this.$confirm('是否确认删除表编号为"' + tableIds + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function () {
          return delTable(tableIds);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
      }
    }
  };
</script>

